Expression 18: "y" less than 25 Has graph. To audio trace, press ALT+T.y<25
18
Expression 19: polygon left parenthesis, "A" , "B" , "C" , right parenthesis Has graph.polygonA,B,C
19
Expression 20: left parenthesis, .2 5cos 45 , .2 5 "t" sin 45 , right parenthesis Has graph..25cos45,.25tsin45
00
domain t Minimum:
less than or equal to "t" less than or equal to≤t≤
11
domain t Maximum:
20
Expression 21: left parenthesis, .2 5 "t" cos 45 , .2 5sin 45 , right parenthesis Has graph..25tcos45,.25sin45
00
domain t Minimum:
less than or equal to "t" less than or equal to≤t≤
11
domain t Maximum:
21
Expression 22: left parenthesis, "D" Subscript, 1 , Baseline plus "D" Subscript, 1 , Baseline cos "t" , "D" Subscript, 2 , Baseline plus "D" Subscript, 1 , Baseline sin "t" , right parenthesis Has graph.D1+D1cost,D2+D1sint
domain t Minimum: 180 plus tangent to the negative 1st power StartFraction, "B" Subscript, 2 , Baseline minus "D" Subscript, 2 , Baseline Over "B" Subscript, 1 , Baseline minus "D" Subscript, 1 , Baseline , EndFraction180+tan−1B2−D2B1−D1
less than or equal to "t" less than or equal to≤t≤
domain t Maximum: 360 plus tangent to the negative 1st power StartFraction, "B" Subscript, 2 , Baseline minus "D" Subscript, 2 , Baseline Over "B" Subscript, 1 , Baseline minus "D" Subscript, 1 , Baseline , EndFraction360+tan−1B2−D2B1−D1